Air conditioner cleaning & common issues

Practical advice from a certified air conditioner hygiene technician. Covers cleaning, hygiene, mould, odour, maintenance and knowing when a system needs professional attention.

Air conditioner cleaning 8 articles

How often to clean your air conditioner, what professional cleaning involves, what it costs, and how to know you're getting a thorough clean.

How often should you clean your air conditioner? Realistic intervals by system type, and the three things that decide whether yours needs doing sooner. See cleaning intervals → How much does air conditioner cleaning cost? What drives the price, indicative costs by system, and why the cheapest quote often costs more. See pricing guide → What's included in a professional air conditioner clean? What a professional clean should involve, step by step, so you can hold any quote against it. See what's included → Professional vs DIY air conditioner cleaning An honest comparison, including when DIY is genuinely enough and where it commonly goes wrong. Compare the options → Is air conditioner cleaning worth it? The case for it without the hype, plus the situations where we tell people to leave it. See the verdict → Why cleaning your air conditioner filter isn't enough What sits behind the filter, and why a diligently maintained unit can still smell musty. See what's missed → How to clean a split system air conditioner A safe step-by-step routine you can do yourself, and a clear line on where to stop. See the steps → Air conditioner cleaning: what you need to know before you book What you are actually paying for, which components can be reached, and what to ask first. See what to know →

Mould & hygiene 4 articles

Why mould establishes inside air conditioners, why it returns, and what you can and can't do about it yourself.

Why does mould grow inside air conditioners? The conditions inside every cooling system, where mould hides, and whether cleaning removes it. See why it grows → Why does air conditioner mould keep coming back? Six reasons a clean doesn't hold, and what actually breaks the cycle. See why it returns → How to prevent mould in your air conditioner The habits that matter, ranked by how much difference they make. Most of them are free. See prevention tips → Can you remove mould from an air conditioner yourself? What you can safely clean, what you should not attempt, and sensible precautions either way. See what's safe →

Odour 1 article

What different air conditioner smells point to and how to work out where they're coming from.

Why does my air conditioner smell? Musty, sour, vinegary, burning: every smell in one place, because the smell itself tells you the cause. Diagnose the smell →

Air conditioner problems 3 articles

Water leaks, dust from the vents and poor cooling, and which of them cleaning actually resolves.

Air conditioner leaking water: causes & what to do Why air conditioners leak water indoors, why blocked drains are the usual cause, and what to do before it reaches your walls. See the fix → Why is my air conditioner blowing dust? What the dust actually is, what each type points to, and which causes cleaning resolves. See the cause → Why is my air conditioner not cooling? The airflow causes you can check yourself, the ones that need a technician, and how to tell which you're dealing with. See what's wrong →

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